332-2691 LINES GP-AUXILIARY HYDRAULIC -STANDARD STICK, 1-WAY S/N DPH1-UP PART OF 349-2343 LINES GP-AUXILIARY HYDRAULIC, 344-1301 LINES GP-BACKHOE AUXILIARY AN ATTACHMENT 428E

HYDRAULIC SYSTEM

LINES GP-AUXILIARY

0. 332-2691 LINES GP-A
1. 349-1346 LINES GP-A
2. 349-1348 LINES GP-A
3. 349-2343 LINES GP-A
4. 321-7231 LINES GP-B
5. 321-7183 LINES GP-B
6. 344-1301 LINES GP-B
7. 344-1303 LINES GP-B

LINES GP-BOOM

8. 321-7178 LINES GP-B

LINES GP-BUCKET

9. 320-9949 LINES GP-B
0. INFORMATION

BACKHOE LOADER 428E BACKHOE LOADER DPH
428E Backhoe Loader DPH00001-UP (MACHINE) POWERED BY C4.4 Engine SEBP5075 428E DPH (2009)

HYDRAULIC SYSTEM

LINES GP-AUXILIARY

327-6983 LINES GP-AUXILIARY HYDRAULIC

329-3503 LINES GP-AUXILIARY HYDRAULIC

332-2691 LINES GP-AUXILIARY HYDRAULIC

349-1346 LINES GP-AUXILIARY HYDRAULIC

349-1348 LINES GP-AUXILIARY HYDRAULIC

349-2343 LINES GP-AUXILIARY HYDRAULIC

#SEBP50750480

332-2691: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

332-2691 LINES GP-AUXILIARY HYDRAULIC -STANDARD STICK, 1-WAY
S/N DPH1-UP
PART OF 349-2343 LINES GP-AUXILIARY HYDRAULIC, 344-1301 LINES GP-BACKHOE AUXILIARY
AN ATTACHMENT

i03664549 SEBP5075

3322691 LINES GP-AUXILIARY HYDRAULIC Parts scheme

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-7637	[2]	CAP
2.	8T-1889	[2]	CLIP (SLOT)
3.	241-6226	[1]	TEE AS
	6V-8398	[1]	SEAL-O-RING
	6V-9746	[1]	SEAL-O-RING
	7J-9108	[1]	SEAL-O-RING
	241-6225	[1]	TEE
4.	241-8450	[2]	FILM-WARNING (HYD PRESS, READ OMM, INTL)
5.	281-4726	[2]	FILM-INSTRUCTION (OIL FLOW DIRECTION)
6.	321-6387	[1]	TUBE AS
7.	324-7599 I	[1]	HOSE AS
8.	324-7611 I	[1]	HOSE AS
9.	327-8298	[1]	TUBE AS
10.	329-0143	[1]	TUBE AS
11.	331-6299 I	[1]	HOSE AS
12.	331-3779	[1]	PLATE
13.	332-1829	[1]	PLATE
14.	150-3052	[1]	CONNECTOR AS
	5K-9090	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
	107-6709	[1]	CONNECTOR
15.	150-3053	[1]	CONNECTOR AS
	6V-9746	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
	108-3872	[1]	CONNECTOR
16.	2P-1293	[1]	LOCKNUT (1-3/16-12-THD)
17.	6V-8398	[1]	SEAL-O-RING
18.	6V-9170	[1]	NUT-BULKHEAD (1-14-THD)
19.	6V-9172	[1]	NUT (1-7/16-12-THD)
20.	6V-9746	[3]	SEAL-O-RING
21.	6V-9830	[1]	CAP (ORFS)
22.	8K-1117	[1]	CLAMP
23.	8T-4121	[8]	WASHER-HARD (11X21X2.5-MM THK)
24.	8T-4133 M	[4]	NUT (M10X1.5-THD)
25.	8T-4136 M	[1]	BOLT (M10X1.5X25-MM)
26.	8T-4195 M	[3]	BOLT (M10X1.5X30-MM)
27.	8T-1890	[2]	CLIP (TAB)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP50750481

349-1346: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

349-1346 LINES GP-AUXILIARY HYDRAULIC -EXTENDABLE STICK, 1-WAY
S/N DPH1-UP
FOR USE WITH @@@@@334-0682@@@@@, @@@@@334-0683@@@@@, @@@@@350-6931@@@@@, @@@@@350-6932@@@@@, @@@@@350-6941@@@@@, @@@@@350-6942@@@@@
AN ATTACHMENT

i03861609 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
321-7246 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (SIDESHIFT)
327-6983 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (EXTENDABLE STICK)
Y		SEPARATE ILLUSTRATION

#SEBP50750482

349-1348: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

349-1348 LINES GP-AUXILIARY HYDRAULIC -EXTENDABLE STICK, 2-WAY
S/N DPH1-UP
FOR USE WITH @@@@@344-1303@@@@@, @@@@@349-1346@@@@@, @@@@@334-0682@@@@@, @@@@@334-0683@@@@@, @@@@@334-0683@@@@@, @@@@@350-6931@@@@@, @@@@@350-6932@@@@@, @@@@@350-6941@@@@@, @@@@@350-6942@@@@@
AN ATTACHMENT

i03861610 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	321-7183 Y	[1]	LINES GP-BACKHOE AUXILIARY (EXTENDABLE STICK, 2-WAY)
	Y		SEPARATE ILLUSTRATION

#SEBP50750483

349-2343: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

349-2343 LINES GP-AUXILIARY HYDRAULIC -STANDARD STICK, 1-WAY
S/N DPH1-UP
FOR USE WITH @@@@@334-0681@@@@@, @@@@@350-6930@@@@@
AN ATTACHMENT

i03861614 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
331-4345 Y	[1]	CONTROL GP-HYDRAULIC PEDAL (AUXILIARY, EXTENDABLE STICK)
321-7246 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (SIDESHIFT)
332-2691 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (STANDARD STICK, 1-WAY)
Y		SEPARATE ILLUSTRATION

#SEBP50750484

321-7231: LINES GP-BACKHOE

LINES GP-BACKHOE

321-7231 LINES GP-BACKHOE
S/N DPH1-UP
PART OF 329-0123 HYDRAULIC AR

i03658106 SEBP5075

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Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6U-0456	[12]	STRAP
2.	260-9214	[5]	CONNECTOR AS
			(EACH INCLUDES)
	3D-2824	[1]	SEAL-O-RING
	7J-9108	[1]	SEAL-O-RING
	260-9213	[1]	CONNECTOR
3.	319-6906 I	[4]	HOSE AS
4.	319-6907 I	[2]	HOSE AS
5.	319-6908 I	[2]	HOSE AS
6.	320-8438	[4]	CLAMP
7.	323-9083	[1]	TUBE AS
8.	323-9084	[1]	TUBE AS
9.	323-9085	[1]	TUBE AS
10.	323-9086	[1]	TUBE AS
11.	333-0739	[4]	PLATE
12.	344-2170	[1]	FITTING & MTG GP-HYDRAULIC
	6V-8398	[2]	SEAL-O-RING
	7J-9108	[6]	SEAL-O-RING
	327-0223	[1]	FITTING & MTG GP-HYDRAULIC
13.	344-2171	[1]	FITTING & MTG GP-HYDRAULIC
	6V-8398	[2]	SEAL-O-RING
	7J-9108	[6]	SEAL-O-RING
	327-0222	[1]	FITTING & MTG GP-HYDRAULIC
14.	148-8328	[2]	CONNECTOR AS
			(EACH INCLUDES)
	3D-2824	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	6V-8633	[1]	CONNECTOR
15.	148-8341	[1]	CONNECTOR AS
	3D-2824	[1]	SEAL-O-RING
	6V-8713	[1]	CONNECTOR
	7J-9108	[1]	SEAL-O-RING
16.	5C-2890 M	[5]	NUT (M6X1-THD)
17.	6V-8398	[2]	SEAL-O-RING
18.	6V-9831 B	[2]	CAP (ORFS)
19.	7J-9108	[2]	SEAL-O-RING
20.	8T-3844 M	[6]	BOLT (M6X1X70-MM)
21.	8T-4205	[12]	WASHER-HARD (7.2X14.5X2-MM THK)
22.	8T-4224	[4]	WASHER-HARD (8.8X16X2-MM THK)
23.	8T-4908 M	[4]	BOLT (M8X1.25X25-MM)
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP50750485

321-7183: LINES GP-BACKHOE AUXILIARY

LINES GP-BACKHOE AUXILIARY

321-7183 LINES GP-BACKHOE AUXILIARY -EXTENDABLE STICK, 2-WAY
S/N DPH1-UP
PART OF 353-6922, 365-5323 DISTRIBUTION AR, 349-1348 LINES GP-AUXILIARY HYDRAULIC
FOR USE WITH @@@@@327-6983@@@@@
CANNOT BE USED WITH @@@@@332-2691@@@@@, @@@@@132-8769@@@@@
AN ATTACHMENT

i03648251 SEBP5075

3217183 LINES GP-BACKHOE AUXILIARY Parts scheme

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-7637	[1]	CAP
2.	171-1357	[1]	CONNECTOR AS
	3K-0360	[1]	SEAL-O-RING
	7J-9108	[1]	SEAL-O-RING
	160-5083	[1]	CONNECTOR
3.	8T-4195 M	[2]	BOLT (M10X1.5X30-MM)
4.	321-6383	[1]	TUBE AS
5.	324-7612 I	[1]	HOSE AS
6.	331-3770	[1]	PLATE
7.	333-1320	[1]	VALVE-MANUAL (AUXILIARY)
8.	148-8311	[1]	ADAPTER AS
	3K-0360	[1]	SEAL-O-RING
	8T-1715	[1]	ADAPTER
9.	148-8340	[1]	CONNECTOR AS
	3K-0360	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	6V-8639	[1]	CONNECTOR
10.	148-8359	[1]	ELBOW AS
	3K-0360	[1]	SEAL-O-RING
	6V-9746	[1]	SEAL-O-RING
	6V-9877	[1]	ELBOW
11.	150-3053	[1]	CONNECTOR AS
	6V-9746	[1]	SEAL-O-RING
	7M-8485	[1]	SEAL-O-RING
	108-3872	[1]	CONNECTOR
12.	2P-1293	[1]	LOCKNUT (1-3/16-12-THD)
13.	6V-9170	[1]	NUT-BULKHEAD (1-14-THD)
14.	8K-1117	[1]	CLAMP
15.	8T-4121	[4]	WASHER-HARD (11X21X2.5-MM THK)
16.	8T-4133 M	[2]	NUT (M10X1.5-THD)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP50750486

344-1301: LINES GP-BACKHOE AUXILIARY

LINES GP-BACKHOE AUXILIARY

344-1301 LINES GP-BACKHOE AUXILIARY -STANDARD STICK, 1-WAY
S/N DPH1-UP
FOR USE WITH @@@@@334-0681@@@@@
CANNOT BE USED WITH @@@@@334-0682@@@@@, @@@@@321-7183@@@@@, @@@@@132-8769@@@@@
AN ATTACHMENT

i03664540 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
331-4345 Y	[1]	CONTROL GP-HYDRAULIC PEDAL (AUXILIARY, EXTENDABLE STICK)
321-7246 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (SIDESHIFT)
332-2691 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (STANDARD STICK, 1-WAY)
Y		SEPARATE ILLUSTRATION

#SEBP50750487

344-1303: LINES GP-BACKHOE AUXILIARY

LINES GP-BACKHOE AUXILIARY

344-1303 LINES GP-BACKHOE AUXILIARY -EXTENDABLE STICK, 1-WAY
S/N DPH1-UP
PART OF 353-6921, 353-6922, 365-5322, 365-5323 DISTRIBUTION AR
FOR USE WITH @@@@@334-0682@@@@@
CANNOT BE USED WITH @@@@@334-0681@@@@@, @@@@@132-8769@@@@@
AN ATTACHMENT

i03664542 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
321-7246 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (SIDESHIFT)
327-6983 Y	[1]	LINES GP-AUXILIARY HYDRAULIC (EXTENDABLE STICK)
Y		SEPARATE ILLUSTRATION

#SEBP50750488

321-7178: LINES GP-BOOM

LINES GP-BOOM

321-7178 LINES GP-BOOM
S/N DPH1-UP
PART OF 334-0682, 334-0683, 350-6931, 350-6932, 350-6941, 350-6942 BACKHOE AR-EXTENDABLE STICK, 334-0681, 350-6930 BACKHOE AR-STANDARD STICK
AN ATTACHMENT

i03642521 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	324-7594 I	[1]	HOSE AS
2.	324-7597 I	[1]	HOSE AS
3.	148-8390	[1]	ELBOW AS
	2M-9780	[1]	SEAL-O-RING
	6V-8626	[1]	ELBOW
	7J-9108	[1]	SEAL-O-RING
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP50750489

320-9949: LINES GP-BUCKET

LINES GP-BUCKET

320-9949 LINES GP-BUCKET
S/N DPH1-UP
PART OF 320-9948, 320-9950 BUCKET AR-MULTIPURPOSE
AN ATTACHMENT

i02989158 SEBP5075

For full view, you need register

Parts for your 428E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-6726	[2]	CLAMP-HOSE
2.	9R-8870	[2]	BLOCK
3.	9W-4363 I	[1]	HOSE AS
4.	120-4553 I	[1]	HOSE AS
5.	320-9943 I	[1]	HOSE AS
6.	320-9944 I	[1]	HOSE AS
7.	320-9945 I	[1]	HOSE AS
8.	320-9946 I	[1]	HOSE AS
9.	148-8378	[2]	ELBOW AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8724	[1]	ELBOW
10.	150-3060	[2]	TEE AS
			(EACH INCLUDES)
	6V-8397	[2]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	8T-3444	[1]	TEE-UNION
11.	5P-7464	[2]	CLIP (SLOT)
12.	5P-7465	[2]	CLIP (TAB)
13.	6V-1249	[2]	GROMMET (22-MM ID)
14.	6V-8397	[2]	SEAL-O-RING
15.	8T-1893	[4]	CLIP (SLOT)
16.	8T-1894	[4]	CLIP (TAB)
17.	8T-4121	[2]	WASHER-HARD (11X21X2.5-MM THK)
18.	8T-4136 M	[2]	BOLT (M10X1.5X25-MM)
19.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
20.	8T-4223	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART